12640020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{719}}^1$

素因数の和:1024

約数の個数: 48

約数和(自身を含む): 35562240

約数和(自身を除く): 22922220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 719, 879, 1172, 1438, 1465, 1758, 2157, 2876, 2930, 3516, 3595, 4314, 4395, 5860, 7190, 8628, 8790, 10785, 14380, 17580, 21570, 43140, 210667, 421334, 632001, 842668, 1053335, 1264002, 2106670, 2528004, 3160005, 4213340, 6320010, 12640020]

約数ペア:

[(1, 12640020), (2, 6320010), (3, 4213340), (4, 3160005), (5, 2528004), (6, 2106670), (10, 1264002), (12, 1053335), (15, 842668), (20, 632001), (30, 421334), (60, 210667), (293, 43140), (586, 21570), (719, 17580), (879, 14380), (1172, 10785), (1438, 8790), (1465, 8628), (1758, 7190), (2157, 5860), (2876, 4395), (2930, 4314), (3516, 3595)]